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🚀 Seal the deal with National – where precision meets endurance!
The National 4278 Differential Pinion Seal is a premium, spring-loaded multi-lip seal designed for select Ford Transit and F-150 models (2015-2018). Engineered to endure extreme temperatures from -40°F to 400°F, it ensures superior fluid retention and leak prevention. Trusted by professionals and backed by over 75 years of National’s sealing expertise, this seal delivers reliable, long-lasting performance for your vehicle’s differential.
| ASIN | B000C5J0U4 |
| Best Sellers Rank | #41,719 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Differential Seals |
| Brand | National |
| Brand Name | National |
| Container Type | Bottle |
| Customer Reviews | 4.5 out of 5 stars 188 Reviews |
| Global Trade Identification Number | 00724956125289 |
| Included Components | Multi Purpose Seal |
| Item Form | Grease |
| Item Weight | 9.07 g |
| Liquid Volume | 946 Milliliters |
| Manufacturer | National |
| Package Information | Bottle |
| Recommended Uses For Product | Automotive |
| UPC | 724956125289 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 400 Degrees Fahrenheit |
O**Y
Old Guy
Perfect fit for my ford pick up pinion seal.
B**D
worked as it should
worked as it should. no leaks for 25k+ miles
A**O
1
Bien.
J**.
fit fine
havent rechecked for leeks
B**N
seal
works well, very cost effective
A**J
No leaks
Fit in great as the original no more leaks. I put it on a 2009 F-150 2WD rear differential.
G**E
Installed on Sterling 10.5" rear. Fits, works
Installed on Sterling 10.5" rear. Fits, but the flange seems a little too small for my liking. I have installed Timken seals in the past on these rear ends and the fit seemed better with a wider flange. So far seems to work; no signs of leakage. If it holds up reasonably well I will update to 4 stars. But I would not recommend this over the Timken based on my own experience.
D**R
05 Ford F150 Fx4
This fit my 2005 Ford F150 Fx4 has held up for a while now
Trustpilot
2 weeks ago
2 months ago